package com.copa.l203;

/**
 * @author copa
 * @createDate 2022-04-28 09:45
 * @function
 */
public class ListNode {
     int val;
     ListNode next;
     ListNode() {}
     ListNode(int val) { this.val = val; }
     ListNode(int val, ListNode next) { this.val = val; this.next = next; }
 }
